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How do I prevent the modification of a private field in a class?
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but do make sure it's a deep copy, not a shallow copy, of the data. For Strings it makes no difference, for other classes like Date where the content of the instance can be modified it can make a difference.
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How do I enable EF migrations for multiple contexts to separate databases?
How do I enable Entity Framework 5 (version 5.0.0) migrations for multiple DB contexts in the same project, where each context corresponds to its own database? When I run Enable-Migrations in the PM console (Visual Studio 2012), there's an error because of there being multiple contexts:
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How do you normalize a file path in Bash?
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Works the same as
realpath -s /path/here/../../
in that the path doesn't need to exist to be normalized.
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How do I check if the mouse is over an element in jQuery?
Is there a quick & easy way to do this in jQuery that I'm missing?
24 Answers
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To prevent a memory leak, the JDBC Driver has been forcibly unregistered
...n I run my web application. It runs fine but I get this message during shutdown.
14 Answers
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Can you do this HTML layout without using tables?
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There is nothing wrong with using the tools that are available to you to do the job quickly and correctly.
In this case a table worked perfectly.
I personally would have used a table for this.
I think nested tables should be avoided, things can get messy.
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Split Strings into words with multiple word boundary delimiters
I think what I want to do is a fairly common task but I've found no reference on the web. I have text with punctuation, and I want a list of the words.
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Why is setTimeout(fn, 0) sometimes useful?
...d a race condition between:
The browser's attempt to initialize the drop-down list, ready to have its selected index updated, and
Your code to set the selected index
Your code was consistently winning this race and attempting to set drop-down selection before the browser was ready, meaning that ...
ALTER TABLE without locking the table?
When doing an ALTER TABLE statement in MySQL, the whole table is read-locked (allowing concurrent reads, but prohibiting concurrent writes) for the duration of the statement. If it's a big table, INSERT or UPDATE statements could be blocked for a looooong time. Is there a way to do a "hot alter", li...
How to initialize an array in one step using Ruby?
...y will be:
array = Array.new(3) { |i| (i+1).to_s }
Finally, although it doesn't produce the same array of three strings as the other answers above, note also that you can use enumerators in Ruby 1.8.7+ to create arrays; for example:
array = 1.step(17,3).to_a
#=> [1, 4, 7, 10, 13, 16]
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